JP2011143405A5 - Filter cartridge and liquid filter assembly for liquid filtration - Google Patents

Filter cartridge and liquid filter assembly for liquid filtration Download PDF

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Publication number
JP2011143405A5
JP2011143405A5 JP2011037497A JP2011037497A JP2011143405A5 JP 2011143405 A5 JP2011143405 A5 JP 2011143405A5 JP 2011037497 A JP2011037497 A JP 2011037497A JP 2011037497 A JP2011037497 A JP 2011037497A JP 2011143405 A5 JP2011143405 A5 JP 2011143405A5
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Prior art keywords
end cap
filter cartridge
seal
liquid filter
diameter
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JP2011143405A (en
JP5161987B2 (en
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Claims (10)

液体フィルタ・アセンブリのハウジング内部で効果的に使用される液体フィルタ・カートリッジであって、
（ａ）前記液体フィルタ・カートリッジは、対向する第１および第２エンド・キャップを有し、
（ｉ）少なくとも前記第１エンド・キャップは、前記第１エンド・キャップを通る第１中央開口を有し、
（ｂ）前記液体フィルタ・カートリッジは、前記第１および第２エンド・キャップに固定され、かつ前記第１および第２エンド・キャップの間に延びているプリーツ付きフィルタ媒体の伸長部分を有し、
（ｉ）前記プリーツ付きフィルタ媒体の伸長部分は、前記第１中央開口と流体流れが連絡している中央開口部空間を画定し、
（ｉｉ）前記フィルタ媒体は、少なくとも２０のプリーツを有し、
（ｃ）前記液体フィルタ・カートリッジは、前記第１中央開口の直径よりも大きいシール直径（ＤsＡ）を提供する前記第１エンド・キャップ上の位置に配置されている第１シール構造を有し、前記第１シール構造は、半径方向シールを含み、
（ｉ）前記ＤsＡは、０．９２ＤbＡ以上でかつ１．０８ＤbＡ以下の範囲内であり、
（Ａ）前記ＤbＡは、使用中に前記第１エンド・キャップ上において前記第２エンド・キャップに向かう方向でも前記第２エンド・キャップから離れる方向でも、正味の軸方向への表面力が生じない直径であり、前記正味の軸方向への表面力は、前記第１エンド・キャップの対向する外側表面と内側表面に対する液体圧力に起因して前記第１エンド・キャップに作用する正味の軸方向への表面力である、
ことを特徴とする液体フィルタ・カートリッジ。 What is claimed is: 1. A fluid filter cartridge for use effectively within a fluid filter assembly housing,
(A) the liquid filter cartridge has opposing first and second end caps;
(I) at least the first end cap has a first central opening through the first end cap;
(B) the liquid filter cartridge has an elongated portion of pleated filter media secured to the first and second end caps and extending between the first and second end caps;
(I) the elongated portion of the pleated filter media defines a central opening space in fluid flow communication with the first central opening;
(Ii) the filter media has at least 20 pleats,
(C) the liquid filter cartridge has a first seal arrangement located at a position on the first end cap providing a seal diameter (DsA) larger than the diameter of the first central opening; The first seal structure includes a radial seal,
(I) The DsA is in the range of 0.92 DbA or more and 1.08 DbA or less,
(A) said DbA, the surface force of the even away from the first end wherein any direction toward the second end cap second end cap on the cap, the net axial direction is not generated during use Ri diameter der, surface forces in the axial direction of the net axial net acting on the first end cap, due to the liquid pressure on the outer surface and an inner surface opposite the first end cap Ru surface forces der to,
Liquid filter cartridge characterized in that. 前記ＤsＡは、０．９５ＤbＡ以上でかつ１．０５ＤbＡ以下の範囲内であることを特徴とする請求項１に記載の液体フィルタ・カートリッジ。 The liquid filter cartridge according to claim 1 , wherein the DsA is in the range of 0.95 DbA or more and 1.05 DbA or less. （ａ）前記液体フィルタ・カートリッジは、前記第１エンド・キャップから軸方向の外側に突き出ていて、かつ前記第１シール構造をその上に有する第１シール支持体を含む、請求項１又は請求項２に記載の液体フィルタ・カートリッジ。 (A) the liquid filter cartridge, from said first end cap has outwardly projecting axially, and the first seal support body including having said first seal structure thereon, according to claim 1 or A liquid filter cartridge according to claim 2. （ａ）前記第１シール構造は、前記第１シール支持体を取り囲み、かつ外側に向けられた半径方向シールを形成するように配向されているシールを有することを特徴とする請求項３に記載の液体フィルタ・カートリッジ。 (A) the first seal arrangement, according to claim 3, characterized in that it comprises a first surrounds the seal carrier and the seal that is oriented to form a radial seal outwardly directed Liquid filter cartridge. （ａ）前記第２エンド・キャップは、前記第２エンド・キャップを通る第２中央開口を有する開いたエンド・キャップである、ことを特徴とする請求項１乃至請求項４のいずれか一項に記載の液体フィルタ・カートリッジ。 (A) said second end cap, said Ru end cap der opened with a second central opening through the second end cap, one of claims 1 to 4, characterized in that one The liquid filter cartridge according to claim 1. （ａ）前記液体フィルタ・カートリッジは、前記第２中央開口の直径と等しいかまたは前記第２中央開口の直径よりも大きいシール直径（ＤsＢ）を有する第２半径方向シールを提供するように配置されている前記第２エンド・キャップ上の第２シール構造を含み、
（ｉ）前記ＤsＢは、０．８５ＤbＢ以上でかつ１．１５ＤbＢ以下の範囲内であり、
（Ａ）前記ＤbＢは、前記第２エンド・キャップ上において前記第１エンド・キャップに向かう方向でも前記第１エンド・キャップから離れる方向でも、前記第２エンド・キャップの対向する外表面と内表面に対する液体圧力に起因する正味の軸方向への表面力が生じない直径である、
ことを特徴とする請求項５に記載の液体フィルタ・カートリッジ。 (A) the liquid filter cartridge is arranged to provide a second radial seal having a second central opening of a diameter equal to or larger sealing diameter than the diameter of the second central opening (DsB) A second seal structure on the second end cap,
(I) The DsB is in the range of not less than 0.85 DbB and not more than 1.15 DbB,
(A) said DbB, the on the second end cap, even a direction away from the first end cap even a direction toward the first end cap, the inner and outer surfaces of opposing the second end cap The diameter at which there is no net axial surface force due to fluid pressure on the
A liquid filter cartridge according to claim 5 , characterized in that: （ａ）前記ＤsＢは、０．９２ＤbＢ以上でかつ１．０８ＤbＢ以下の範囲内であることを特徴とする請求項６に記載の液体フィルタ・カートリッジ。The liquid filter cartridge according to claim 6, wherein (a) DsB is in the range of 0.92 DbB or more and 1.08 DbB or less. （ａ）前記第２半径方向シールは、半径方向外側に向けられたシールであることを特徴とする請求項６または請求項７に記載の液体フィルタ・カートリッジ。8. A liquid filter cartridge according to claim 6, wherein: (a) the second radial seal is a radially outwardly directed seal. （ａ）前記液体フィルタ・カートリッジは、前記第２中央開口の直径と等しいかまたは前記第２中央開口の直径よりも大きいシール直径（ＤsＢ）を有する第２半径方向シールを提供するように配置されている前記第２エンド・キャップ上の第２シール構造を含み、(A) the liquid filter cartridge is arranged to provide a second radial seal having a seal diameter (DsB) equal to or larger than the diameter of the second central opening; A second seal structure on the second end cap,
（ｉ）前記ＤsＢは、０．８５ＤbＡ以上でかつ１．１５ＤbＢ以下の範囲内であり、    (I) The DsB is in the range of not less than 0.85 DbA and not more than 1.15 DbB,
（Ａ）前記ＤbＢは、前記第２エンド・キャップ上において前記第１エンド・キャップに向かう方向でも前記第１エンド・キャップから離れる方向でも、前記第２エンド・キャップの対向する外表面と内表面に対する液体圧力に起因する正味の軸方向への表面力が生じない直径であり、      (A) The DbB may have opposing outer and inner surfaces of the second end cap on the second end cap, either in a direction towards the first end cap or in a direction away from the first end cap. A diameter that does not produce a net axial surface force due to fluid pressure on the
（ｉｉ）前記第２半径方向シールは、半径方向内側に向けられたシールである、  (Ii) said second radial seal is a radially inwardly directed seal,
ことを特徴とする請求項１に記載の液体フィルタ・カートリッジ。A liquid filter cartridge according to claim 1, characterized in that: （ａ）ハウジングと、
（ｂ）前記ハウジング内に取り外し可能に配置されている請求項１乃至請求項９のいずれか１項に記載の液体フィルタ・カートリッジと、
を有することを特徴とする液体フィルタ・アセンブリ。 (A) a housing,
(B) The liquid filter cartridge according to any one of claims 1 to 9, which is removably disposed in the housing.
A liquid filter assembly characterized by having:
JP2011037497A 2004-04-13 2011-02-23 Filter cartridge for liquid filtration and liquid filter assembly Active JP5161987B2 (en)

Applications Claiming Priority (2)

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US56204504P 2004-04-13 2004-04-13
US60/562,045 2004-04-13

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JP2011143405A JP2011143405A (en) 2011-07-28
JP2011143405A5 true JP2011143405A5 (en) 2012-12-13
JP5161987B2 JP5161987B2 (en) 2013-03-13

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US (6) US8167142B2 (en)
EP (2) EP2301646B1 (en)
JP (2) JP4922923B2 (en)
KR (1) KR20070011489A (en)
CN (2) CN100556496C (en)
AU (1) AU2005233108B2 (en)
BR (1) BRPI0509792B1 (en)
MX (1) MXPA06011808A (en)
WO (1) WO2005099861A1 (en)
ZA (1) ZA200608479B (en)

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